نتایج جستجو برای: vitreopapillary traction
تعداد نتایج: 10869 فیلتر نتایج به سال:
Traction spoofing is an important component of Global Navigation Satellite System (GNSS) intermediate attacks, and the traction scheme directly determines concealment spoofing. However, via conventional strategies can be easily detected using Time Arrival (TOA) power detection. Based on a BPSK-modulated signal, novel strategy code proposed to suppress part authentication signal form ideal corre...
Intervention Preoperatively, patients were allocated to have a pillow placed under the ipsilateral thigh of the injured hip in the resting position of the extremity (n=50, pillow group) or to placement of 5 pounds of skin traction, applied by fitting a foam traction boot to the injured extremity and then suspending a 5 pound weight over a pulley at the foot of the bed (n=50, traction group). Al...
This article describes a novel splinting technique for the temporizing management of pediatric femur fractures. The J-splint is a reliable, simple, and rapidly applied splint that prevents many of the complications and pitfalls of other described temporizing measures, such as skeletal traction, skin traction, traction splinting, and posterior splinting. This technique of J-splinting femur fract...
the single wheel tester is an experimental device used to measure wheel forces when studying the relation of soil and wheel in a soil bin or in the field. in the model under development, a special frame holding the test wheel is connected to a loading carriage by two pairs of vertical rails and four rollers to provide a floating connection. by applying a driving torque to the test wheel shaft, ...
We report a 63-year-old patient with prior coronary artery bypass surgery and recent history of recurrent hospital admissions for refractory heart failure because of ischemic cardiomyopathy and sustained ventricular tachycardia. The patient underwent ICD implantation through left subclavian vein approach (Medtronic, single chamber, model-Maximo II VR, D284VRC, with 6947 ventricular active fixat...
PURPOSE The purpose of this study was to use a novel method to quantify the traction applied to the retina during vitrectomy. METHODS Five 20-gauge electric cutters were used. Fresh porcine eyes were positioned in a specially developed holder and transfixed to the retinal layers with a microwire, and the other end was fixed to the load cell of a strain gauge. The cutter to be assessed was int...
OBJECTIVE To evaluate the anteroposterior short-term skeletal and dental effects on Class II malocclusion in growing patients following treatment with functional appliances (activators or twin block), extraoral traction, or combination appliances (appliances with both functional and extraoral traction components), based on published data. MATERIALS AND METHODS A literature search was carried ...
Cell motility is a cornerstone of embryogenesis, tissue remodeling and repair, and cancer cell invasion. It is generally thought that migrating cells grab and exert traction force onto the extracellular matrix in order to pull the cell body forward. While previous studies have shown that myosin II deficient cells migrate efficiently, whether these cells exert traction forces during cell migrati...
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